WO2018132499A1 - Gestion de la direction du faisceau de l'antenne donneuse d'un répéteur mobile - Google Patents

Gestion de la direction du faisceau de l'antenne donneuse d'un répéteur mobile Download PDF

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Publication number
WO2018132499A1
WO2018132499A1 PCT/US2018/013202 US2018013202W WO2018132499A1 WO 2018132499 A1 WO2018132499 A1 WO 2018132499A1 US 2018013202 W US2018013202 W US 2018013202W WO 2018132499 A1 WO2018132499 A1 WO 2018132499A1
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WO
WIPO (PCT)
Prior art keywords
antenna
configuration
optimum
performance
donor
Prior art date
Application number
PCT/US2018/013202
Other languages
English (en)
Inventor
Michiel Petrus LOTTER
Original Assignee
Nextivity, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nextivity, Inc. filed Critical Nextivity, Inc.
Publication of WO2018132499A1 publication Critical patent/WO2018132499A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
    • H04B7/1555—Selecting relay station antenna mode, e.g. selecting omnidirectional -, directional beams, selecting polarizations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components

Definitions

  • the present invention relates to mobile repeaters, and more particularly to a system and method to dynamically manage the radiation pattern of the donor antenna of a mobile repeater system.
  • the repeater donor antenna is an antenna array capable of simultaneously forming two beam patterns (similar to what is used in Multi-User MEVIO systems).
  • one beam pattern can be used to point to the donor base station and can be constantly adjusted to track the donor base station.
  • the second beam pattern can then be used to scan for a more optimum donor base station and if one is found, the antenna configuration can be changed to point to the new donor base station.
  • such an antenna system is complex and typically expensive to implement.
  • a repeater donor antenna will have a single configuration only.
  • This document presents a system and method to dynamically manage the radiation pattern of the donor antenna of a mobile repeater system.
  • an antenna control algorithm is provided. Using this algorithm, the repeater will select an optimum antenna configuration at start-up. Once the configuration is selected, the system will keep this configuration until the performance metrics for this configuration drops below a specified level. At this point, the system will scan all antenna configurations to determine a new optimum configuration.
  • the repeater will select an optimum antenna configuration at start-up.
  • the system will keep this configuration until the performance metrics for this configuration drops below a specified level. At this point, the system will start scanning antenna configurations to find a new configuration that yields a performance better than the required minimum performance level. This configuration would typically be faster than an optimum configuration as not all possible options need to be tested.
  • FIG. 1 is a flowchart of an antenna control algorithm
  • FIG. 2 is a flowchart of a speed optimized antenna control algorithm.
  • This document describes a system and method to dynamically manage the radiation pattern of the donor antenna of a mobile repeater system.
  • FIG. 1 is a flowchart of a method 100 for controlling an antenna.
  • a configuration of the antenna is set or selected.
  • a signal strength and/or signal quality is measured for the selected antenna configuration.
  • the optimum antenna configuration is selected.
  • the performance of the antenna, while operating in the optimum selected antenna configuration is measured, continuously or at regular intervals.
  • the repeater will select an optimum antenna
  • the system will keep this configuration until the performance metrics for this configuration drops below a specified level. At this point, the system will scan all antenna configurations to determine a new optimum configuration.
  • FIG. 2 is a flowchart of a method 200 for a speed optimized antenna control algorithm for controlling an antenna.
  • a configuration of the antenna is set or selected.
  • a signal strength and/or signal quality is measured for the selected antenna
  • the method 200 repeats at 204, to measure the signal strength and/or signal quality to set or select a new configuration. If no, then at 208, the configuration measurement results are ranked in terms of quality (e.g., strongest to weakest RSRP).
  • the optimum antenna configuration is selected.
  • the performance of the antenna, while operating in the optimum selected antenna configuration is measured, continuously or at regular intervals.
  • the method 200 determines whether the performance is better than a minimal performance level of the optimum selected antenna configuration. If yes, the method 200 repeats at 212. If no, the method 200 executes at 216, in which a new configuration of the antenna is set or selected. At 218, a signal strength and/or signal quality is measured for the selected antenna configuration. At 220, it is again determined whether the performance is better than a minimal performance level of the optimum selected antenna configuration. If yes, then the method 200 repeats at 216. If no, then at 222 the selected antenna configuration is used, and the method 200 cycles back to 212.
  • the repeater will select an optimum antenna
  • One or more aspects or features of the subject matter described herein can be realized in digital electronic circuitry, integrated circuitry, specially designed application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs) computer hardware, firmware, software, and/or combinations thereof, to control the operations of a mobile repeater and antennas thereof.
  • ASICs application specific integrated circuits
  • FPGAs field programmable gate arrays
  • These various aspects or features can include implementation in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which can be special or general purpose, coupled to receive data and instructions from, and to transmit data and instructions to, a storage system, at least one input device, and at least one output device.
  • the programmable system or computing system may include clients and servers.
  • a client and server are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other.
  • machine-readable signal refers to any signal used to provide machine instructions and/or data to a programmable processor.
  • the machine-readable medium can store such machine instructions non- transitorily, such as for example as would a non-transient solid-state memory or a magnetic hard drive or any equivalent storage medium.
  • the machine-readable medium can be
  • processor cache or other random access memory associated with one or more physical processor cores.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)

Abstract

L'invention concerne un algorithme de commande d'antenne. A l'aide de cet algorithme, le répéteur sélectionne une configuration d'antenne optimale au démarrage. Une fois que la configuration est sélectionnée, le système conserve cette configuration jusqu'à ce que la métrique de performance pour cette configuration tombe au-dessous d'un niveau spécifié. A ce stade, le système balaye toutes les configurations d'antenne pour déterminer une nouvelle configuration optimale. Dans une autre mise en oeuvre, le répéteur va sélectionner une configuration d'antenne optimale au démarrage. Une fois que la configuration est sélectionnée, le système conserve cette configuration jusqu'à ce que la métrique de performance pour cette configuration tombe au-dessous d'un niveau spécifié. A ce stade, le système commencera des configurations d'antenne de balayage pour trouver une nouvelle configuration qui produit une performance supérieure au niveau de performance minimal requis. Cette configuration serait typiquement plus rapide qu'une configuration optimale puisque toutes les options possibles doivent être testées.
PCT/US2018/013202 2017-01-10 2018-01-10 Gestion de la direction du faisceau de l'antenne donneuse d'un répéteur mobile WO2018132499A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762444766P 2017-01-10 2017-01-10
US62/444,766 2017-01-10

Publications (1)

Publication Number Publication Date
WO2018132499A1 true WO2018132499A1 (fr) 2018-07-19

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Family Applications (1)

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WO (1) WO2018132499A1 (fr)

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US10840997B2 (en) * 2018-11-02 2020-11-17 Wistron Neweb Corporation Repeater
US10673136B1 (en) * 2019-04-10 2020-06-02 Dell Products, Lp Control system and method for training a reconfigurable antenna
US10986509B1 (en) * 2020-05-14 2021-04-20 At&T Intellectual Property I, L.P. Placement of antennas for fifth generation (5G) or other next generation networks
US20230362666A1 (en) * 2022-05-03 2023-11-09 Ubicquia, Inc. Wireless communication node and method for configuring donor and service antennas therefor
CN117395753B (zh) * 2023-12-12 2024-02-20 深圳市图麟科技有限公司 一种路由器旋转搜索信号的方法

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WO2010033779A1 (fr) * 2008-09-19 2010-03-25 Delphi Technologies, Inc. Antenne cognitive à bande étroite, en diversité de polarisation, à faisceaux multiples
US20150380816A1 (en) * 2013-02-14 2015-12-31 Hiwave, Inc. Antenna control method and antenna control system
EP2802089A1 (fr) * 2013-05-07 2014-11-12 Andrew Wireless Systems GmbH Répétiteur pour réseau de communication sans fil
US20150295310A1 (en) * 2014-04-11 2015-10-15 Optical Cable Corporation Adaptive Donor Antenna

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US20180198515A1 (en) 2018-07-12

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